switch off
US /swɪtʃ ɔf/
UK /swɪtʃ ɔf/
1.
to turn off a light, machine, or other device by pressing a button or moving a switch
:
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Please switch off the lights when you leave the room.
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Don't forget to switch off your phone during the meeting.
2.
to stop paying attention or thinking about something; to relax
:
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After a long day at work, I just want to switch off and watch TV.
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It's important to be able to switch off from work when you're at home.